Originally Posted by
Genghis the Engineer
Aeronca 11AC Chief is about the least forgiving, very very easy to groundloop, along with a tendency to pitch PIO on take-off.
I never saw the takeoff PIO tendency in the 11BC but the bigger engine didn't make it want to swap ends any less frequently. I always wondered if ours was bent or incorrectly rigged but never found anything wrong with it. Nice to hear from someone with a similar opinion of the type.